/*
 * @Author: Starfish_DL
 * @Date: 2020-10-16 16:30:25
 * @LastEditors: Starfish_DL
 * @LastEditTime: 2020-10-16 16:30:49
 * @CurrentVersion: 1.0
 * @Description: 
 */

public class Testson extends Test
{
    protected String sName = "Tom";
    public static void main(String args[])
    {
        Test t = new Testson ("John");
        System.out.println("Nice to meet you " + t.sName);
    }
    public Testson (String s)
    {
        super(s);
        System.out.println("How do you do?");
    }
    public Testson ()
    {
        this("I am Tom");
    }
}
class Test
{  protected String sName = "Jack";
    public Test ()
    {
        System.out.println("Hello!");
    }
    public Test (String s)
    {
        this();
        System.out.println("I am " + s);
    }
}
